#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QtSerialPort/QtSerialPort>
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QFileDialog>
#include <istream>
#include <ostream>
#include <fstream>
#include <iostream>
#include <QTextEdit>
#include <QString>
#include <QMessageBox>
static const char blankString[] = QT_TRANSLATE_NOOP("SettingsDialog", "N/A");


const unsigned short CRC_Table[256]=       //	CCITT	 	X16+X12+X5+1
{
        0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
        0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
        0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
        0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
        0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
        0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
        0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
        0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
        0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
        0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
        0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
        0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
        0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
        0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
        0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
        0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
        0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
        0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
        0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
        0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
        0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
        0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
        0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
        0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
        0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
        0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
        0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
        0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
        0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
        0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
        0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
        0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
        };



unsigned short crc_table(unsigned char *ptr,unsigned short len)
{
    unsigned char crcdata;
    unsigned short  CRC_data = 0;
    ptr++;
    len--;
    while(len!=0)
    {
        crcdata=(unsigned char) (CRC_data/256);
        CRC_data<<=8;
        CRC_data^=CRC_Table[crcdata^*ptr];
        ptr++;
        len--;
    }
    return(CRC_data);
}


void addcrc(unsigned char *ptr,unsigned short len)
{
    unsigned short crctmp;
    crctmp=crc_table(ptr,len-3);

    ptr[len-2]=crctmp&0xff;
    ptr[len-3]=(crctmp>>8)&0xff;
    ptr[len-1]=0x7c;
}


unsigned short get_index(void)
{
    unsigned short __index__=0;
    if(__index__++==0xffff) __index__=0;
    return __index__;
}

/***************0x7C×ªÒå***************/

unsigned int  trans_7c_set(unsigned char *p_ad,unsigned int lengh)
{
    unsigned short i,j,q;
    unsigned char ch;
    ch=*(p_ad+lengh-1);
    q=lengh-1;

    for(i=1; i<q; i++)
    {
        if(*(p_ad+i)==0x5c)
        {
            for(j=q; j>i+1; j--)
            {
                *(p_ad+j)=*(p_ad+j-1);
            }
            *(p_ad+i+1)=0x5B;
            q++;
        }
        else if(*(p_ad+i)==0x7c)
        {
            for(j=q; j>i+1; j--)
            {
                *(p_ad+j)=*(p_ad+j-1);
            }
            *(p_ad+i)=0x5c;
            *(p_ad+i+1)=0x7B;
            q++;
        }
    }
    *(p_ad+q)=ch;//0x7c;
    q++;
    return q;
}




/**********************CrcCheck,***************/

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    this->port=new QSerialPort(NULL);
    this->get_avaiable_port();
    ui->Button_Open_Port->setStyleSheet("background-color: rgb(175,200,200)");
    ui->Button_send->setEnabled(false);
    ui->Button_send_file->setEnabled(false);
    this->rec_count=0;
    this->send_count=0;
    this->band_rate=115200;
    connect(port, &QSerialPort::readyRead, this, &MainWindow::readData);
    thread_receive.start();

}


MainWindow::~MainWindow()
{
    if(this->port->isOpen())
    {
        this->port->close();
    }
    if(this->fd_log.isOpen())
    {
        fd_log.close();
    }
    if(this->thread_receive.isRunning())
    {
        this->thread_receive.terminate();
    }
    delete ui;
}

void mssleep(int ms)
{
    QMutex mutex;
    QWaitCondition sleep;
    mutex.lock();
    sleep.wait(&mutex, ms);
    mutex.unlock();
}

void MainWindow::get_avaiable_port(void)
{
    ui->comboBox_serial_name->clear();
    const auto infos = QSerialPortInfo::availablePorts();
    for(const QSerialPortInfo &info:infos)
    {
        QStringList list;
        list<<info.portName()
           <<(info.serialNumber().isEmpty()?blankString:info.serialNumber());
        //std::cout<<info.portName()<<std::endl;

        ui->comboBox_serial_name->addItem(info.portName(),list);

    }
    if(ui->comboBox_serial_name->currentText()!=NULL)
        ui->Button_Open_Port->setEnabled(true);
    else
        ui->Button_Open_Port->setDisabled(true);

    ui->Button_send->setDisabled(true);

    ui->line_edit_send_file->setText("please select file to send...");


}

void MainWindow::Browser(void)
{
    /*
    QString directory=QDir::toNativeSeparators(QDir::currentPath());
    if(!directory.isEmpty())
    {

      ui->comboBox_send_file->addItem(directory);

    }

    QString directory=QDir::toNativeSeparators(QFileDialog::getExistingDirectory(this,\
                                                       tr("select file"),\
                                                       QDir::currentPath(),\
                                                       QFileDialog::ReadOnly| QFileDialog::DontResolveSymlinks));
    */
    this->send_file=QFileDialog::getOpenFileName(this,"select file",QDir::currentPath(),tr("*.bin"));
    if(this->send_file!=NULL)
        ui->line_edit_send_file->setText(this->send_file);
    else
        ui->line_edit_send_file->setText("please select file to send...");

}

void MainWindow::on_Button_select_file_clicked()
{
    Browser();
}

void MainWindow::open_send_file(QString file)
{
    unsigned char info[1500];
    //int i=0;
    std::ifstream fd;

    // QFile fd(file);
    //if(fd.open(QIODevice::ReadOnly|QIODevice::Text))
    fd.open(file.toStdString(),std::ifstream::in|std::ifstream::binary);
    if(fd.is_open())
    {
        /*
        if(1024==fd.read((char *)info,1024*110))
        {
            addcrc((unsigned char*)info,103);
            for(int i=0; i<105; i++)
            {
                qDebug("%02X ",info[i]);
            }

            this->port->write((char *)info,103);
        }
        */
        fd.seekg(0, std::ios_base::end);
        qint64 bytenum=fd.tellg();
        fd.seekg(0, std::ios_base::beg);
        unsigned int packge_num=(bytenum+packge_size)/packge_size;
        int pack_index=0;
        int pa=packge_num;
        memset(info,0xff,ARRAY_SIZE(info));
        while((pa--))
        {
            fd.read((char *)&info[19],packge_size);

            pack_index++;
            info[0]=0x7c;
            info[1]=(packge_size+22)&0xff;
            info[2]=(packge_size+22)>>8;
            info[3]=0x31;
            info[4]=0xff;
            info[5]=0x00;
            info[6]=0x01;
            unsigned short temp=get_index();
            info[7]=temp&0xff;
            info[8]=temp>>8;
            info[9]=0x00;
            info[10]=0x00;
            info[11]=0x00;
            info[12]=0x00;
            info[13]=packge_num&0xff;
            info[14]=(packge_num>>8)&0xff;
            info[15]=pack_index&0xff;
            info[16]=(pack_index>>8)&0xff;
            info[17]=packge_size&0xff;
            info[18]=(packge_size>>8)&0xff;
            addcrc((unsigned char*)info,packge_size+22);
            unsigned int len=trans_7c_set((unsigned char*)info,packge_size+22);
            func_send_data((char *)info,len);
            memset(info,0,ARRAY_SIZE(info));
            //this->port->write((char *)info,len);
            //mssleep(2000);
        }

    }
    else
    {
        qDebug()<<"open fault";
    }

    fd.close();

}



void MainWindow::on_Button_Open_Port_clicked()
{

    if(this->port->isOpen())
    {
        this->port->close();
        ui->Button_Open_Port->setText("OPEN");
        ui->Button_Open_Port->setStyleSheet("background-color: rgb(175,200,200)");
        ui->Button_send->setEnabled(false);
        ui->Button_send_file->setEnabled(false);

        ui->comboBox_Bandrate->setEnabled(true);
        ui->comboBox_check->setEnabled(true);
        ui->comboBox_data_bit->setEnabled(true);
        ui->comboBox_HWC->setEnabled(true);
        ui->comboBox_serial_name->setEnabled(true);
        ui->comboBox_stopbit->setEnabled(true);
    }
    else
    {
        this->port->setBaudRate(this->band_rate,QSerialPort::AllDirections);
        //        this->port->setStopBits();
        //        this->port->setDataBits();
        this->port->setPortName(ui->comboBox_serial_name->currentText());
        if(this->port->open(QIODevice::ReadWrite))
        {
            qDebug("open sussesful");
            ui->Button_Open_Port->setText("CLOSE");
            ui->Button_send->setEnabled(true);
            ui->Button_send_file->setEnabled(true);
            //            ui->che
            ui->comboBox_Bandrate->setDisabled(true);
            ui->comboBox_check->setDisabled(true);
            ui->comboBox_data_bit->setDisabled(true);
            ui->comboBox_HWC->setDisabled(true);
            ui->comboBox_serial_name->setDisabled(true);
            ui->comboBox_stopbit->setDisabled(true);
        }
        else
        {
            qDebug("open fault");
        }
    }
}

void MainWindow::readData(void)
{

    QByteArray data =this->port->readAll();


    if(ui->checkBox->isChecked())
    {
        QByteArray data_temp=data.toHex().toUpper();
        for(int i=0; i<data.length()*2;)
        {

            QString s;
            s.operator =(data_temp[i++]);
            ui->textBrowser_re->moveCursor(QTextCursor::End);
            ui->textBrowser_re->insertPlainText(s);
            if(0==(i%2))
            {
                s.operator =(' ');
                ui->textBrowser_re->moveCursor(QTextCursor::End);
                ui->textBrowser_re->insertPlainText(s);
            }
        }

    }
    else
    {
        ui->textBrowser_re->moveCursor(QTextCursor::End);
        ui->textBrowser_re->insertPlainText(data);
    }
    this->rec_count+=data.length();
    if(ui->checkBox_save_log->isChecked())
    {
        this->fd_log.write(data);
    }
}

char MainWindow::ConvertHexChar(char ch)
{
    if((ch >= '0') && (ch <= '9'))
        return ch-0x30;
    else if((ch >= 'A') && (ch <= 'F'))
        return ch-'A'+10;
    else if((ch >= 'a') && (ch <= 'f'))
        return ch-'a'+10;
    else return (-1);
}

qint64 MainWindow::func_send_data(const char *data, qint64 len)
{
    qint64 _len=0;
    _len=this->port->write(data,len);
    this->send_count+=_len;
    ui->label->setText(QString::number(this->send_count,10));
    return _len;

}


void MainWindow::on_Button_send_clicked()
{
    if(!ui->lineEdit->text().isEmpty())
    {
        if(ui->checkBox_sendhex->isChecked())
        {
            QByteArray test=ui->lineEdit->text().toLocal8Bit();
            int len=test.length();
            char send_buf[len];
            char send_data[(len>>1)+len%2];
            memset(send_data,0,sizeof(send_data));
            int index=0;
            for(int i=0;i<test.length();i++)
            {
                if(' '!=test[i])
                {
                    if(-1==ConvertHexChar(test[i]))
                    {
                        qDebug()<<"please input hex data";
                        //                        QMessageBox::information(NULL, "Title", "Content", QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
                        QMessageBox::warning(NULL,"警告","请输入正确的十六进制数","确定","取消");
                        //                        box.setButtonText(QMessageBox::Ok,"确定");
                        //                        QMessageBox box(QMessageBox::Warning,"标题","弹出框按钮更改为中文！");
                        //                        box.setStandardButtons (QMessageBox::Ok|QMessageBox::Cancel);
                        //                        box.setButtonText (QMessageBox::Ok,QString("确 定"));
                        //                        box.setButtonText (QMessageBox::Cancel,QString("取 消"));
                        //                        box.exec ();
                        return;
                    }
                    else
                    {
                        send_buf[index++]=test[i];
                    }
                }
            }
            for(int j=0;j<index;j++)
            {
                unsigned char temp_=ConvertHexChar(send_buf[j]);
                if(0==(j%2))
                {
                    send_data[j>>1]|=temp_<<4;
                }
                else{
                    send_data[j>>1]|=temp_;
                }
            }
            func_send_data(send_data,sizeof(send_data));
        }
        else
        {
            func_send_data(ui->lineEdit->text().toLocal8Bit(),ui->lineEdit->text().length());
        }
    }
}

void MainWindow::on_Button_send_file_clicked()
{
    open_send_file(this->send_file);
}

void MainWindow::on_lineEdit_textEdited(const QString &arg1)
{
    //    qDebug()<<arg1;

}


void MainWindow::on_pushButton_clear_clicked()
{
    ui->textBrowser_re->clear();
}

void MainWindow::on_textBrowser_re_textChanged()
{
    ui->textBrowser_re->moveCursor(QTextCursor::End);
}

void MainWindow::on_checkBox_save_log_clicked()
{

}

void MainWindow::on_checkBox_save_log_clicked(bool checked)
{
    QString save_file=QDir::currentPath();
    save_file.append("/test.bin");
    //this->fd_log("C:/Users/MSC/Desktop/log.bin");
    this->fd_log.setFileName(save_file);

    if(checked)
    {

        if(this->fd_log.open(QIODevice::ReadWrite|QIODevice::Text))
        {
            qDebug("open log sucessful\n");
        }
        else
        {
            qDebug("open log fault\n");

        }

    }
    else
    {
        if(this->fd_log.isOpen())
        {
            this->fd_log.flush();
            this->fd_log.close();
        }
    }
}

void MainWindow::on_comboBox_Bandrate_currentIndexChanged(int index)
{
    if(0==index)
        this->band_rate=115200;
    else if(1==index)
        this->band_rate=57600;
    else if(2==index)
        this->band_rate=38400;
    else if(3==index)
        this->band_rate=19200;
    else if(4==index)
        this->band_rate=9600;
    else if(5==index)
        this->band_rate=4800;
    else if(6==index)
        this->band_rate=2400;
    else if(7==index)
        this->band_rate=1200;
}
